Index: wp-content/themes/twentyeleven/style.css
===================================================================
--- wp-content/themes/twentyeleven/style.css	(revision 18403)
+++ wp-content/themes/twentyeleven/style.css	(working copy)
@@ -668,6 +668,7 @@
 #branding .with-image #searchform {
 	top: auto;
 	bottom: -27px;
+	max-width: 195px;
 }
 #branding .only-search + #access div {
 	padding-right: 205px;